Ключевые слова: africa, african, amphibius, animal, animals, baby, big, botswana, chobe, dangerous, face, group, herd, hippo, hippopotamus, hippos, kruger, large, luangwa, mammal, mouth, national, natural, nature, ngorongoro, okavango, park, pool, river, safari, serengeti, south, tanzania, travel, water, wild, wilderness, wildlife, zimbabwe,